Hidden Brain

Investor Due Diligence Report

substackScience

News from Hidden Brain about ideas, events and community.

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Key Metrics

Subscribers

67K

Verified

Weekly Growth

~0%

Subscriber count is a platform estimate

Quality & Publishing

Audience Quality Score

19Below Median

0100

Publishing Pace

Weekly

0.9 posts/week

Publishing Consistency

79/100

Consistent (~8.0d avg)

Score based on available components only.

Component	Score	Weight
Engagement Rate	0/100	30%
Publishing Consistency	74/100	10%

Competitive Landscape (Science)

Newsletter	Subscribers	Weekly Growth	Price	Platform
Aether Pirates of the Matterium!	97K	N/A	Free	substack
The Science of Better	81K	+19.1%	$5/mo	substack
By the Numbers	75K	+0.8%	Free	substack
Humanity United Now - Ana Maria Mihalcea, MD, PhD	72K	N/A	$5/mo	substack

Risk Assessment

Key risk factors for due diligence

Medium

Platform Dependency

Uses substack platform

Low

Publishing Consistency

Regular publishing schedule

Medium

Key Person

Single-author publication — key-person dependency

High

Revenue Model

Pre-monetization — no paid subscription tier

Monetization Readiness

Readiness for paid subscriptions

Subscriber threshold

67K subscribers — above the 2K category median for first paid tier

Has paid tier

No paid subscription tier yet

Peer monetization

100% of 15 similar-size peers in Science have paid tiers

Data Quality

Report Data QualityLimited - Key metrics unavailable

Subscriber Confidenceverified

Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.